pull your finger out
US /pʊl jʊər ˈfɪŋ.ɡər aʊt/
UK /pʊl jʊər ˈfɪŋ.ɡər aʊt/

1.
加把劲, 振作起来, 别磨蹭了
to tell someone to stop being lazy and start working harder or more quickly
:
•
You need to pull your finger out if you want to finish this project on time.
如果你想按时完成这个项目,你需要加把劲。
•
Come on, pull your finger out and help us clean up!
快点,加把劲帮我们打扫!